Are your teens acting out and doing things that aren’t making sense? It might be a borderline personality disorder - this can be serious and needs medical treatment.

Women's bodies obviously change physically in preparation for caring for newborns. Some men experience biological changes as well.

Millions, if not billions of people around the world grab a cup of coffee to start their day. Did you ever stop to think it might be boosting your spirits while keeping you awake?

For a long time, the medical community believed the brain stopped developing during adolescence. Researchers have now found evidence that the brain is still growing past then.

Don't discount the role of psychiatric disorders in chronic back pain. Distress may increase the pain intensity and inability to work when it comes to acute low back pain and chronic musculoskeletal pain.

A proposed change in guidelines for diagnosing Alzheimer's disease means patients will be examined for signs of the disease after their death even if they never exhibited symptoms suggesting the diagnosis.

Panic attacks are thought to be something that happen so suddenly and unexpected, that one doesn't have a chance to be prepared.

Several studies over the summer suggested that common drugs taken by the elderly including antidepressants and antihistamines might cause additional cognitive impairment in those suffering from dementia.

Autism is one of the more mysterious intellectual disabilities, and for years scientists have been trying to better understand its causes and functions.

Schizophrenia and bipolar disorder, once known as manic-depression, are common but debilitating mental illnesses. Patients suffer from delusions, hallucinations and severe mood problems.